CN110289594A - The overheat protecting system of a kind of electronic equipment, method and device - Google Patents
The overheat protecting system of a kind of electronic equipment, method and device Download PDFInfo
- Publication number
- CN110289594A CN110289594A CN201910520447.4A CN201910520447A CN110289594A CN 110289594 A CN110289594 A CN 110289594A CN 201910520447 A CN201910520447 A CN 201910520447A CN 110289594 A CN110289594 A CN 110289594A
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- Prior art keywords
- temperature
- module
- electronic equipment
- operating temperature
- control module
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
Abstract
The invention discloses the overheat protecting systems of a kind of electronic equipment, method and device, the overheat protecting system is connect with the power switch of the electronic equipment, it includes temperature collecting module, temperature detecting module, control module and display module, the temperature collecting module is for acquiring the current operating temperature of electronic equipment, and the operating temperature is exported to the temperature detecting module, the temperature detecting module is used to export corresponding detection signal to control module according to operating temperature, the control module is used to judge according to detection signal the size of operating temperature, and when the operating temperature is greater than the first temperature threshold output temperature data to display module；Power switch, which is output control signals to, when the operating temperature is greater than second temperature threshold value controls its disconnection；The display module is used for displays temperature data；First temperature threshold is less than the second temperature threshold value, and then realizes the operating temperature of real-time monitoring electronic equipment, avoids the damage of electronic equipment.
Description
Technical field
The present invention relates to electric heating to protect field, the in particular to overheat protecting system of a kind of electronic equipment, method and device.
Background technique
With increasing and function the diversity of electronic equipment, the function of corresponding electronic equipment is also increasingly
The data volume of complexity, processing is also increasing, and then causes the heat of electronic device also increasing, if electronic equipment
Heat dissipation occurs abnormal or does not reach ideal effect, and accordingly, the fever of electronic device will lead to the damage of electronic equipment；Base
It is required to setting temperature protection in this each electronic equipment, but the temperature protection in existing electronic equipment is only when temperature is super
Out when setting value, disconnecting circuit；When temperature is lower than setting value, circuit, which is connected, restores, but is unable to reach low temperature adjusting, can not
Enough realize is monitored multiple warm areas, and corresponding protective device does not have versatility yet.
Thus the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide the overheating protections of a kind of electronic equipment
System, method and device, can electronic equipment when the temperature is excessively high cut off electronic equipment power supply, while can real-time monitoring electricity
The operating temperature of sub- equipment realizes the effective protection to electronic equipment.
In order to achieve the above object, this invention takes following technical schemes:
The overheat protecting system of a kind of electronic equipment is connect with the power switch of the electronic equipment, including temperature collecting module,
Temperature detecting module, control module and display module, the temperature collecting module is for acquiring the current work temperature of electronic equipment
Degree, and the operating temperature is exported to the temperature detecting module, the temperature detecting module is used for according to the work temperature
Degree exports corresponding detection signal to control module, and the control module is used to judge the work temperature according to the detection signal
The size of degree, and when the operating temperature is greater than the first temperature threshold output temperature data to the display module；Described
Output temperature data are to the display module when operating temperature is greater than second temperature threshold value, while outputing control signals to the electricity
Source switch controls the power switch and disconnects；The display module is for showing the temperature data；First temperature threshold
Less than the second temperature threshold value.
In the overheat protecting system, the temperature detecting module includes first detection unit and second detection unit,
The first detection unit is used for when the operating temperature is greater than first temperature threshold, output first detection signal to control
Molding block；The second detection unit is used for when the operating temperature is greater than the second temperature threshold value, the second detection of output
Signal is to control module.
In the overheat protecting system, the second detection unit is also used to be greater than third temperature in the operating temperature
When threshold value, output third detects signal to the control module；And the 4th temperature threshold is decreased below in the operating temperature
When, the 4th detection signal of output to the control module；The third temperature threshold is greater than first temperature threshold and is less than
The second temperature threshold value, the 4th temperature threshold are greater than the first temperature threshold and are less than the third temperature threshold.
In the overheat protecting system, the control module is specifically used for the temperature according to the first detection signal
Degree is according to output to display module；Or it outputs control signals to electronics according to the second detection signal or third detection signal and sets
It is standby, it controls the power switch and disconnects；Or electronic equipment is output control signals to according to the 4th detection signal, described in control
Electronic equipment is opened.
In the overheat protecting system, the second detection unit includes fuse-link, the fuse-link respectively with it is described
Control module is connected with the temperature collecting module, for disconnecting when the operating temperature is greater than the second temperature threshold value.
In the overheat protecting system, the second detection unit further includes bimetal plate temperature controling switch, double gold
Belong to piece temperature detect switch (TDS) to connect with the control module and the temperature collecting module respectively, for being greater than institute when the operating temperature
Disconnection when stating third temperature threshold, the closure when the operating temperature decreases below four temperature threshold.
The method for excessive heating protection of a kind of electronic equipment, includes the following steps:
By the current operating temperature of temperature collecting module acquisition electronic equipment, and the operating temperature is exported to temperature detection mould
Block；
Corresponding detection signal is exported to control module according to the operating temperature by the temperature detecting module；
The size of the operating temperature is judged according to the detection signal by the control module, and is greater than in the operating temperature
Output temperature data are to display module when the first temperature threshold；The output temperature when the operating temperature is greater than second temperature threshold value
Data output control signals to electronic equipment to the display module, and control power switch disconnects；
The temperature data is shown by the display module.
It is described corresponding according to operating temperature output by the temperature detecting module in the method for excessive heating protection
Detection signal to the step of control module include:
By first detection unit when the operating temperature is greater than first temperature threshold, output first detection signal is to described
Control module；
Or by second detection unit when the operating temperature is greater than the second temperature threshold value, the second detection signal of output to institute
State control module.
It is described corresponding according to operating temperature output by the temperature detecting module in the method for excessive heating protection
The step of detecting signal to control module further include:
By second detection unit when the operating temperature is greater than third temperature threshold, output third detects signal to the control
Module；And when the operating temperature decreases below four temperature threshold, the 4th detection signal of output to the control
Module；The third temperature threshold is greater than first temperature threshold and is less than the second temperature threshold value, the 4th temperature
Threshold value is greater than the first temperature threshold and is less than the third temperature threshold.
The overtemperature protection system of a kind of electronic equipment, including overheat protecting system as described above.
Compared to the prior art, the overheat protecting system of electronic equipment provided by the invention, method and device, the overheat
Protection system is connect with the power switch of the electronic equipment comprising temperature collecting module, temperature detecting module, control module
And display module, the temperature collecting module are used to acquire the current operating temperature of electronic equipment, and the operating temperature is defeated
Out to the temperature detecting module, the temperature detecting module is used to export corresponding detection signal to control according to operating temperature
Module, the control module is used to judge according to detection signal the size of operating temperature, and is greater than first in the operating temperature
Output temperature data are to display module when temperature threshold；The output control signal when the operating temperature is greater than second temperature threshold value
Its disconnection is controlled to power switch；The display module is used for displays temperature data；First temperature threshold is less than described the
Two temperature thresholds, and then realize the operating temperature of real-time monitoring electronic equipment, avoid the damage of electronic equipment.
Detailed description of the invention
Fig. 1 is the structural block diagram of the overheat protecting system of electronic equipment provided by the invention；
Fig. 2 is temperature collecting module, temperature detecting module and control in the overheat protecting system of electronic equipment provided by the invention
The structural block diagram of module；
Fig. 3 is the first temperature threshold, second temperature threshold value and third in the overheat protecting system of electronic equipment provided by the invention
The temperature distributing curve diagram of temperature threshold；
Fig. 4 is the flow chart of the method for excessive heating protection of electronic equipment provided by the invention.
Specific embodiment
The purpose of the present invention is to provide the overheat protecting systems of a kind of electronic equipment, method and device, can be in electronics
Equipment when the temperature is excessively high cut off electronic equipment power supply, while can real-time monitoring electronic equipment operating temperature, realize to electricity
The effective protection of sub- equipment.
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
Also referring to Fig. 1, the overheat protecting system 20 of electronic equipment 10 provided by the invention, with the electronic equipment
10 power switch connection, including temperature collecting module 21, temperature detecting module 22, control module 23 and display module 24, institute
It states temperature collecting module 21 and connects the temperature detecting module 22,22 link control module 23 of temperature detecting module is described
Control module 23 connects display module 24 and the power switch；The temperature collecting module 21 is worked as acquiring electronic equipment 10
Preceding operating temperature, and the operating temperature is exported to the temperature detecting module 22, the temperature detecting module 22 is used for
Corresponding detection signal is exported to control module 23 according to the operating temperature, and the control module 23 is used for according to the detection
Signal judges the size of the operating temperature, and when the operating temperature is greater than the first temperature threshold output temperature data to institute
State display module 24；When the operating temperature is greater than second temperature threshold value, output temperature data are to the display module 24, together
When output control signals to the electronic equipment 10, control the power switch and disconnect；The display module 24 is for showing institute
State temperature data；First temperature threshold is less than the second temperature threshold value.
Referring to Figure 2 together, overheat protecting system 20 provided by the invention acquires outside by temperature collecting module 21
The operating temperature of electronic equipment 10, wherein the temperature collecting module 21 is the shell made of Heat Conduction Material, passes through the shell
The acquisition to 10 operating temperature of electronic equipment is realized in the contact with electronic equipment 10, is easy to use, has also further been expanded this
The application range of overheat protecting system 20, that is, the temperature of the mobile phone that can be applied to, computer, household electrical appliance, industrial motor, equipment etc.
Detection.Temperature detecting module 22 is arranged in correspondence in the shell, later by the temperature of the temperature detecting module 22 detection shell
Degree, and different temperature is responded to export corresponding detection signal to control module 23, and then the control module 23
The operating temperature of current electronic device 10 is judged according to corresponding detection signal；Specifically, when control module 23 is judged currently
Operating temperature when being greater than the first temperature threshold then output temperature data to the display module 24；And when the operating temperature is big
The electronic equipment 10 is then output control signals to when second temperature threshold value, is controlled the power switch and is disconnected, avoids electronics
Equipment 10 is damaged because operating temperature is excessively high, at the same time, the control module 23 accordingly temperature data can also be exported to
Display module 24, it is ensured that the display module is capable of the operating temperature of electronic equipment described in real-time display；Namely by the display
Module 24 is capable of the operating temperature of electronic equipment 10 described in simultaneous display, and according to current operating temperature can be artificial to electronics
The working condition of equipment 10 is adjusted, to achieve the purpose that the operating temperature to the electronic equipment 10 monitors in real time,
Realize the flexible control to the working condition of electronic equipment 10.
Further, the temperature detecting module 22 includes first detection unit 221 and second detection unit 222, described
First detection unit 221 and second detection unit 222 are separately connected the control module 23 and temperature collecting module 21；It is described
First detection unit 221 is used for when the operating temperature is greater than first temperature threshold, output first detection signal to control
Molding block 23；The second detection unit 222 is used for the output second when the operating temperature is greater than the second temperature threshold value
Signal is detected to control module 23.
In the present embodiment, the first detection unit 221 and second detection unit 222 are mutually independent, and each self energy
Different temperature is enough responded, specifically, then the first detection is single when the operating temperature of electronic equipment 10 is greater than the first temperature threshold
First 221 corresponding output first detection signals are to control module 23, and when the operating temperature of electronic equipment 10 is greater than second temperature
When threshold value, then corresponding output second detects signal to control module 23；Thus the control module 23 can be according to different
Detection signal judges the current operating temperature of the electronic equipment 10；What realization monitored 10 operating temperature of electronic equipment
Purpose.
Further, the second detection unit 222 is also used to when the operating temperature is greater than third temperature threshold, defeated
Third detects signal to the control module 23 out；It is defeated when the operating temperature decreases below four temperature threshold
Out the 4th signal is detected to the control module 23；The third temperature threshold is greater than first temperature threshold and is less than described
Second temperature threshold value, the 4th temperature threshold are greater than the first temperature threshold and are less than the third temperature threshold, specifically, institute
State four temperature thresholds=- 20 °C of third temperature threshold.
Further, the control module 23 is specifically used for being exported the temperature data according to the first detection signal
To display module 24；Or electronic equipment 10 is output control signals to according to the second detection signal or third detection signal, it controls
The power switch is made to disconnect；Or electronic equipment 10 is output control signals to according to the 4th detection signal, control the electricity
Sub- equipment 10 is opened.
In the present embodiment, also referring to Fig. 3, first temperature threshold is less than second temperature threshold value, and the third
Temperature threshold is greater than first temperature threshold and is less than the second temperature threshold value, it is preferable that first described in the present embodiment
Temperature threshold is 30 °C, certainly in other embodiments, other temperature thresholds also can be set, the present invention does not limit this
It is fixed；As long as namely when detecting that the operating temperature of electronic equipment 10 is greater than 30 °C, the overheat protecting system 20 is to the electronics
The operating temperature of equipment 10 carries out real-time monitoring, i.e., will correspond to after the control module 23 receives the first detection signal
Temperature data export to display module 24；Preferably, second temperature threshold value described in the present embodiment is 120 °C, when the electricity
When the operating temperature of sub- equipment 10 reaches 120 °C, then the output of second detection unit 222 second detects signal to control module
23, the control module 23 then outputs control signals to power switch immediately, controls the shutdown of power switch, and realization sets electronics
Standby 10 instantaneous protection；It is further preferred that third temperature threshold described in the present embodiment is 80 °C, when the operating temperature is high
When 80 °C, second detection module can also export third detection signal to control module 23, so that the control module 23
Power switch shutdown is controlled, and when the operating temperature of the electronic equipment 10 is reduced to the 4th threshold temperature or less, then it is described
Second detection unit 222 can also export the 4th detection signal to control module 23, and then by control module 23 according to the 4th detection
Signal control power supply switch conduction, so that electronic equipment 10 enters normal operating conditions, the third temperature as described in the present embodiment
Spending threshold temperature is 80 °C, and accordingly the 4th temperature threshold is preferably 60 °C；And working as the third temperature threshold is 70 °C,
Accordingly the 4th temperature threshold is preferably 50 °C, and when the third temperature threshold is 90 °C, accordingly the described 4th is warm
Spending threshold value is preferably 70 °C, i.e., different temperatures threshold value of the invention can be according to being actually configured, and the present invention does not limit this
It is fixed.I.e. according to the electronic equipment 10 operating temperature that may be present, a variety of protective barriers of equipment are realized to 10 work of electronic equipment
Make the flexible control of state, it is ensured that the safety that electronic equipment 10 works avoids the damage of electronic equipment 10.
When it is implemented, the second detection unit 222 includes fuse-link 1 please continue to refer to Fig. 2, the fuse-link 1 divides
It is not connect with the control module 23 and the temperature collecting module 21, for being greater than the second temperature in the operating temperature
It is disconnected when threshold value；When the operating temperature of the electronic equipment 10 is higher than 120 °C, which is collected by temperature collecting module 21
When spending, accordingly the fuse-link 1 starts from disconnection is melted, and the control module 23 being attached thereto at this time detects that fuse-link 1 is disconnected
When opening namely the output of the second detection unit 222 second detection signal is to control module 23, and the control module 23 is judged
The operating temperature of the electronic equipment 10 is greater than 120 °C, and in order to avoid the damage of electronic equipment 10, the control module 23 is accordingly
Output control signal controls the power switch shutdown, and then electronic equipment 10 described in Instantaneous Control stops working；Certainly, practical
The fusing-off temperature of fuse-link 1 described in can according to the difference of 1 making material of fuse-link and it is different, specifically may be in response to
0 °C to 2000 °C of temperature, it is 120 °C that fusing-off temperature i.e. second temperature threshold value is selected in the present embodiment, in other implementations
It can choose other fusing-off temperatures, this is not limited by the present invention.Meanwhile the control module 23 also can be defeated by the temperature data
It out to display module 24, is shown by display module 24, thus, it is possible to get information about the work of the electronic equipment 10
Make temperature, the power supply of electronic equipment 10 can be cut off by artificial mode accordingly, and then realize the duplicate protection to electronic equipment 10.
Further, the second detection unit 222 further includes bimetal plate temperature controling switch 2, the bimetal leaf temperature control
Switch 2 is connect with the control module 23 and the temperature collecting module 21 respectively, described in being greater than when the operating temperature
It is disconnected when third temperature threshold, the closure when the operating temperature decreases below four temperature threshold；When the temperature
Acquisition module 21 collect the electronic equipment 10 operating temperature be greater than third threshold value when namely electronic equipment operating temperature
When greater than 80 °C, the bimetal leaf in bimetal plate temperature controling switch 2 expands, and contact point deformation disconnects, and then by the control mould
Block 23 detects the signal, namely detects signal to control module 23, same control by the second detection unit 222 output third
The output control signal of molding block 23 controls the power switch shutdown；Unlike carrying out temperature detection from the fuse-link 1, when
The operating temperature of electronic equipment 10 declines, i.e., when the collected temperature of the temperature collecting module 21 is less than four temperature thresholds,
Namely the work of electronic equipment when dropping to less than 60 °C, then 22 bimetal leaf contact point of temperature detecting module can return back to original
When shape namely the control module 23 detect the 4th detection signal, the then corresponding output control of the corresponding control module 23
Signal control power supply closes the switch, so that electronic equipment 10 restores normal operating conditions.
Further, the first detection unit 221 includes thermistor 3, and thermistor 3 can be with the temperature of heat-emitting products
Degree increases, and the resistance value of thermistor 3 can become larger, and temperature reduces, and resistance value also becomes smaller therewith, this kind according to thermistor 3
The operating temperature that nature examination temperature collecting module 21 acquires, accordingly the change in resistance of the thermistor 3 can be by control mould
Block 23 detects namely the first detection unit 221 exports first detection signal to control module 23, the control module 23
The temperature data is exported to display module 24 according to the first detection signal, is shown by the display module 24 current
Operating temperature gets information about the operating temperature of the electronic equipment 10 convenient for user, and then realizes and work electronic equipment 10
The flexible modulation of state.
Further, it should be noted that heretofore described fuse-link 1, bimetal plate temperature controling switch 2 and thermistor
3 connection is independent from each other, and respectively carries out can work independently when temperature detection, therefore can individually select one of portion
Divide and carry out temperature detection, two parts therein or three parts also may be selected and carry out temperature detections, it can be according to the reality of user
Border demand is adjusted;And when selecting fuse-link 1 and bimetal plate temperature controling switch 2 uses simultaneously, wherein 1 energy of the fuse-link
Enough play the role of double protection, namely in the case where the bimetal leaf failure in the bimetal plate temperature controling switch 2, it cannot
Timely protective effect is enough played, the fuse-link can reach corresponding temperature threshold in the operating temperature of corresponding electronic equipment at this time
Fusing and restorative because not having after fuse-link fusing when value, so that temperature detection is more accurate and has timeliness,
Ensure the job security of electronic equipment.
Preferably, the control module 23 is programmable logic controller (PLC), and the programmable logic controller (PLC) passes through inside
Integrated communication unit and the display module 24, which are established, to be communicated to connect, and the temperature data is exported to display module 24 and is carried out
Display；Also, the temperature control unit of the programmable logic controller (PLC) being internally integrated is used to detect the resistance value of thermistor 3
Variation, i.e., for receiving the operating temperature that first detection signal judges current electronic device 10；The programmable logic controller (PLC)
The input and output control unit being internally integrated then is used to receive the second detection signal of second detection unit 222, third detection letter
Number and the 4th detection signal, and then export corresponding control signal to power switch, to control the unlatching of the electronic equipment 10
With closing, realizes to the overheating protection of electronic equipment 10, avoid the damage of electronic equipment 10.
It is further preferred that the display module 24 can be computer, when the display module 24 receives programmable logic
The temperature data of controller, can displays temperature data while can according to temperature data show current electronic device 10 work
Make state, the corresponding working condition output information warning according to electronic equipment 10 is shown that user can be according to information warning
The intuitively current working status of clear electronic equipment 10, and the electricity described in human intervention when knowing that electronic equipment 10 is abnormal
The working condition of sub- equipment 10, and then ensure the working condition of electronic equipment 10.Correspondingly, the present invention also provides a kind of electronics to set
Standby method for excessive heating protection, as shown in figure 4, the method for excessive heating protection of the electronic equipment includes the following steps:
S100, the current operating temperature of electronic equipment is acquired by temperature collecting module, and the operating temperature is exported to temperature
Detection module；
S200, corresponding detection signal is exported to control module according to the operating temperature by the temperature detecting module；
S300, the size for judging the operating temperature according to the detection signal by the control module, and in the work temperature
Output temperature data are to display module when degree is greater than the first temperature threshold；It is defeated when the operating temperature is greater than second temperature threshold value
Temperature data is to the display module out, while outputing control signals to electronic equipment, and control power switch disconnects；
S400, the temperature data is shown by the display module.
Further, the step S200 include: S210, be greater than in the operating temperature by first detection unit it is described
When the first temperature threshold, output first detection signal to the control module；Or by second detection unit in the operating temperature
When greater than the second temperature threshold value, the second detection signal of output to the control module.
Further, the step S200 further include: S220, be greater than third in the operating temperature by second detection unit
When temperature threshold, output third detects signal to the control module；And the described 4th is decreased below in the operating temperature
When temperature threshold, the 4th detection signal of output to the control module.
The present invention correspondingly provides the overtemperature protection system of a kind of electronic equipment, the mistake including electronic equipment as described above
Thermal protection system, since the overheat protecting system of the electronic equipment being described in detail above, and will not be described here in detail.
In conclusion the overheat protecting system of electronic equipment provided by the invention, method and device, the overheating protection system
System is connect with the power switch of the electronic equipment comprising temperature collecting module, temperature detecting module, control module and display
Module, the temperature collecting module export the operating temperature to institute for acquiring the current operating temperature of electronic equipment
Temperature detecting module is stated, the temperature detecting module is used for according to the corresponding detection signal of operating temperature output to control module,
The control module is used to judge according to detection signal the size of operating temperature, and is greater than the first temperature threshold in the operating temperature
Output temperature data are to display module when value；Power supply is output control signals to when the operating temperature is greater than second temperature threshold value
Its disconnection of switch control；The display module is used for displays temperature data；First temperature threshold is less than the second temperature
Threshold value, and then realize the operating temperature of real-time monitoring electronic equipment, avoid the damage of electronic equipment.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (10)
1. the overheat protecting system of a kind of electronic equipment is connect with the power switch of the electronic equipment, which is characterized in that including
Temperature collecting module, temperature detecting module, control module and display module, the temperature collecting module is for acquiring electronic equipment
Current operating temperature, and the operating temperature is exported to the temperature detecting module, the temperature detecting module is used for root
Corresponding detection signal is exported to control module according to the operating temperature, and the control module according to the detection signal for sentencing
The size for the operating temperature of breaking, and when the operating temperature is greater than the first temperature threshold output temperature data to the display
Module；When the operating temperature is greater than second temperature threshold value, output temperature data are to the display module, while exporting control
Signal controls the power switch and disconnects to the power switch；The display module is for showing the temperature data；It is described
First temperature threshold is less than the second temperature threshold value.
2. overheat protecting system according to claim 1, which is characterized in that the temperature detecting module includes the first detection
Unit and second detection unit, the first detection unit are used for when the operating temperature is greater than first temperature threshold,
First detection signal is exported to the control module；The second detection unit is used to be greater than described second in the operating temperature
When temperature threshold, the second detection signal of output to the control module.
3. overheat protecting system according to claim 2, which is characterized in that the second detection unit is also used to described
When operating temperature is greater than third temperature threshold, output third detects signal to the control module；And it is dropped in the operating temperature
When down to less than four temperature thresholds, the 4th detection signal of output to the control module；The third temperature threshold is greater than institute
It states the first temperature threshold and is less than the second temperature threshold value, the 4th temperature threshold is greater than the first temperature threshold and is less than institute
State third temperature threshold.
4. overheat protecting system according to claim 2, which is characterized in that the control module is specifically used for according to
First detection signal exports the temperature data to the display module；Or it is detected according to the second detection signal or third
Signal outputs control signals to the electronic equipment, controls the power switch and disconnects；Or it is defeated according to the 4th detection signal
Control signal controls the electronic equipment and opens to the electronic equipment out.
5. overheat protecting system according to claim 2, which is characterized in that the second detection unit includes fuse-link,
The fuse-link is connect with the control module and the temperature collecting module respectively, described for being greater than in the operating temperature
It is disconnected when second temperature threshold value.
6. overheat protecting system according to claim 3, which is characterized in that the second detection unit further includes bimetallic
Piece temperature detect switch (TDS), the bimetal plate temperature controling switch connect with the control module and the temperature collecting module respectively, are used for
It is disconnected when the operating temperature is greater than the third temperature threshold, when the operating temperature decreases below the 4th temperature
It is closed when threshold value.
7. the method for excessive heating protection of a kind of electronic equipment, which comprises the steps of:
By the current operating temperature of temperature collecting module acquisition electronic equipment, and the operating temperature is exported to temperature detection mould
Block；
Corresponding detection signal is exported to control module according to the operating temperature by the temperature detecting module；
The size of the operating temperature is judged according to the detection signal by the control module, and is greater than in the operating temperature
Output temperature data are to display module when the first temperature threshold；The output temperature when the operating temperature is greater than second temperature threshold value
Data output control signals to electronic equipment to the display module, and control power switch disconnects；
The temperature data is shown by the display module.
8. method for excessive heating protection according to claim 7, which is characterized in that it is described by the temperature detecting module according to institute
It states operating temperature and exports corresponding detection signal to the step of control module and include:
By first detection unit when the operating temperature is greater than first temperature threshold, output first detection signal is to described
Control module；
Or by second detection unit when the operating temperature is greater than the second temperature threshold value, the second detection signal of output to institute
State control module.
9. method for excessive heating protection according to claim 8, which is characterized in that it is described by the temperature detecting module according to institute
State the step of operating temperature exports corresponding detection signal to control module further include:
By the second detection unit when the operating temperature is greater than third temperature threshold, output third detects signal to described
Control module；And when the operating temperature decreases below four temperature threshold, the 4th detection signal of output is to described
Control module；The third temperature threshold is greater than first temperature threshold and is less than the second temperature threshold value, and the described 4th
Temperature threshold is greater than the first temperature threshold and is less than the third temperature threshold.
10. the overtemperature protection system of a kind of electronic equipment, it is characterised in that including mistake as claimed in any one of claims 1 to 6
Thermal protection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520447.4A CN110289594B (en) | 2019-06-17 | 2019-06-17 | Overheat protection system, method and device for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520447.4A CN110289594B (en) | 2019-06-17 | 2019-06-17 | Overheat protection system, method and device for electronic equipment |
Publications (2)
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| CN116667678A (en) * | 2022-11-28 | 2023-08-29 | 荣耀终端有限公司 | Power supply circuit, power supply adapter and charging system |
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